Slideable, resilient guide block for windows



FIG. 1 is a left side, top and front perspective view of a slideable, resilient guide block for windows showing my new design;

FIG. 2 is a rear elevational view thereof, the front view being a mirror image;

FIG. 3 is a left side elevational view thereof, the right side view being a mirror image; and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a slideable, resilient guide block for windows, as shown and described. 